etl::wrapper_traits< T > Struct Template Reference

Traits for wrapper expressions. More...

#include <wrapper_traits.hpp>

Public Types
using	expr_t = T
	The type of the expression.
using	sub_expr_t = std::decay_t< typename T::expr_t >
	The sub expression type.
using	sub_traits = etl_traits< sub_expr_t >
	sub expression traits
using	value_type = typename sub_expr_t::value_type
	The value type of the expression.

Static Public Member Functions
static size_t	size (const expr_t &v)
	Returns the size of the given expression. More...
static size_t	dim (const expr_t &v, size_t d)
	Returns the dth dimension of the given expression. More...
static constexpr size_t	size ()
	Returns the size of an expression of this fast type. More...
template<size_t D>
static constexpr size_t	dim ()
	Returns the Dth dimension of an expression of this type. More...
static constexpr size_t	dimensions ()
	Returns the number of expressions for this type. More...
static constexpr int	complexity () noexcept
	Estimate the complexity of computation. More...

Static Public Attributes
static constexpr bool	is_etl = sub_traits::is_etl
	Indicates if the type is an ETL expression.
static constexpr bool	is_transformer = sub_traits::is_transformer
	Indicates if the type is a transformer.
static constexpr bool	is_view = sub_traits::is_view
	Indicates if the type is a view.
static constexpr bool	is_magic_view = sub_traits::is_magic_view
	Indicates if the type is a magic view.
static constexpr bool	is_fast = sub_traits::is_fast
	Indicates if the expression is fast.
static constexpr bool	is_value = sub_traits::is_value
	Indicates if the expression is of value type.
static constexpr bool	is_direct = sub_traits::is_direct
	Indicates if the expression has direct memory access.
static constexpr bool	is_linear = sub_traits::is_linear
	Indicates if the expression is linear.
static constexpr bool	is_thread_safe = sub_traits::is_thread_safe
	Indicates if the expression is thread safe.
static constexpr bool	is_generator = sub_traits::is_generator
	Indicates if the expression is a generator expression.
static constexpr bool	is_padded = sub_traits::is_padded
	Indicates if the expression is a padded.
static constexpr bool	is_aligned = sub_traits::is_aligned
	Indicates if the expression is a padded.
static constexpr bool	is_temporary = sub_traits::is_temporary
	Indicaes if the expression needs an evaluator visitor.
static constexpr bool	gpu_computable = sub_traits::gpu_computable
	Indicates if the expression can be computed on GPU.
static constexpr order	storage_order = sub_traits::storage_order
	The expression storage order.
template<vector_mode_t V>
static constexpr bool	vectorizable = sub_traits::template vectorizable<V>

Detailed Description

template<typename T>
struct etl::wrapper_traits< T >

Traits for wrapper expressions.

Member Function Documentation

complexity()

template<typename T>

static constexpr int etl::wrapper_traits< T >::complexity ( )

inlinestaticnoexcept

Estimate the complexity of computation.

Returns

An estimation of the complexity of the expression

dim() [1/2]

template<typename T>

static size_t etl::wrapper_traits< T >::dim ( const expr_t &  v, size_t  d  )

inlinestatic

Returns the dth dimension of the given expression.

Parameters

v	The expression
d	The dimension to get

Returns

The dth dimension of the given expression

dim() [2/2]

template<typename T>

template<size_t D>

static constexpr size_t etl::wrapper_traits< T >::dim ( )

inlinestatic

Returns the Dth dimension of an expression of this type.

Template Parameters

D	The dimension to get

Returns

the Dth dimension of an expression of this type

dimensions()

template<typename T>

static constexpr size_t etl::wrapper_traits< T >::dimensions ( )

inlinestatic

Returns the number of expressions for this type.

Returns

the number of dimensions of this type

size() [1/2]

template<typename T>

static size_t etl::wrapper_traits< T >::size ( const expr_t &  v )

inlinestatic

Returns the size of the given expression.

Parameters

v	The expression to get the size for

Returns

the size of the given expression

size() [2/2]

template<typename T>

static constexpr size_t etl::wrapper_traits< T >::size ( )

inlinestatic

Returns the size of an expression of this fast type.

Returns

the size of an expression of this fast type.

Member Data Documentation

vectorizable

template<typename T>

template<vector_mode_t V>

constexpr bool etl::wrapper_traits< T >::vectorizable = sub_traits::template vectorizable<V>

static

The vectorization type for V

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The documentation for this struct was generated from the following file:

• include/etl/wrapper_traits.hpp